# A speaker suspended high in the air, away from other objects, emits one spherical wave with total energy 5 J. Assume the waves travel at the speed of sound in air: 343 m/s. Draw the wave 2 seconds and 5 seconds after it was emitted. Label the total energy at each of these times. Label the energy per unit area for each of these times. I would like to know how should I approach this problem when it comes to sound waves and how do I apply total energy in this problem?

Question

A speaker suspended high in the air, away from other objects, emits one spherical wave with total energy 5 J. Assume the waves travel at the speed of sound in air: 343 m/s. Draw the wave 2 seconds and 5 seconds after it was emitted. Label the total energy at each of these times. Label the energy per unit area for each of these times.

I would like to know how should I approach this problem when it comes to sound waves and how do I apply total energy in this problem?

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